2661015190 has 16 divisors (see below), whose sum is σ = 4790478528. Its totient is φ = 1064261376.

The previous prime is 2661015187. The next prime is 2661015193. The reversal of 2661015190 is 915101662.

It is an interprime number because it is at equal distance from previous prime (2661015187) and next prime (2661015193).

It is a super-2 number, since 2×2661015190² = 14162003682821472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661015193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89779 + ... + 115681.

It is an arithmetic number, because the mean of its divisors is an integer number (299404908).

Almost surely, 2^2661015190 is an apocalyptic number.

2661015190 is a deficient number, since it is larger than the sum of its proper divisors (2129463338).

2661015190 is a wasteful number, since it uses less digits than its factorization.

2661015190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36183.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 2661015190 is about 51585.0287389665. The cubic root of 2661015190 is about 1385.7422270758.

The spelling of 2661015190 in words is "two billion, six hundred sixty-one million, fifteen thousand, one hundred ninety".